Welding compound



Patented 'July 3, 1923.

UNITED STATES JATENT, OFFICE.

James a. CAMPBELL AND .mm'ns n. REYNOLDS, F SCOTTDIALE, PEN-:NSYLVANIAQ WELDING COMPOUND. V

1T0 Drawing. 1

\ v To all whom it may concern Be it known that We, JAMES R. CAMPBELL and JAMES L. Reviews, citizens of the United States, and residents'of Scottdale, in the county of Westmoreland and State of Pennsylvania, have invented a new and useful Welding Compound, of which the following is a specification.

This invention relates to a new and useful composition of matter to be used as a welding compound or flux.

of the following ingredients combined in the proportions stated- Per cent. Oxide of iron" to Black manganese dioxide to 30 Borax 80 to, 60

A typicalcomposition which it is known will give good results is oxide of iron 5 Application; med October 7, 1921. Serial No. 505,113.

per cent,.vblack manganese-dioxide per cent, and borax 70' per cent. These ingredients are thoroughly mixed so as. to 0 form an even mixture and-the surfaces of the article or articles to be welded are covered therewith similar'to the vwell-known manner of applying other welding compounds or fluxes. I

\Ve claim l. A welding compound consisting of oxide of'iron, black manganese dioxide, and borax, said borax predominating. I

2. A welding compound consisting of a 0 small amount of oxide of iron, a greater amount of black manganese dioxide, and a still greater amount ofhorax.

3. A welding compound consisting of 5 to 10 per cent of oxideof iron, 15 to per cent of black manganese dioxide, and 80 to per cent of borax, all con'nningled and mixed together to form an even mixture.

In testimony whereof, we have hereunto 0 setour hands.

JAMES R. CAMPBELL. JAMES L. REYNOLDS} 

